When transmitting on PSK31, DM780 displays a solid red square in the screen's lower right corner. Within the red square is a white square frame that continually expands and contracts while in transmit mode.

Copyright 2000-2017 eHam.net, LLC
eHam.net is a community web site for amateur (ham) radio operators around the world.
Contact the site with comments or questions.
WEBMASTER@EHAM.NETSite Privacy Statement